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Dictyostelium intermedium

ABSTRACT: A social amoeba related to model organism Dictyostelium discoideum

PROVIDER: PRJNA45943 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR037009.fastq.gz	Fastqsanger.gz
	SRR037010.fastq.gz	Fastqsanger.gz
	SRR037010_1.fastq.gz	Fastqsanger.gz
	SRR037010_2.fastq.gz	Fastqsanger.gz

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Dictyostelium firmibasis

Project description:A social amoeba closely related to model organism Dictyostelium discoideum

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Effect of Cln3-deficiency on protein secretion in Dictyostelium

Project description:This project investigated the effect of Cln3-deficiency on protein secretion in the social amoeba Dictyostelium discoideum by performing LC-MS/MS on conditioned media harvested from starved WT and cln3- cells.

2017-04-04 | PXD004897 | Pride

Identification of target genes of Cud-type transcription factor, spaA, in a Dictyostelid social amoebae by ChIP-seq

Project description:spaA is a Cud-type transcription factor that is essential for spore cell differentiation of Dictyostelium discoideum, a social amoeba. ChIP-seq was performed to identify spaA target genes.

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Dictyostelium discoideum

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Transcription profiling of Dictyostelium discoideum wild type and dupA null after infection with Legionella pneumophila

Project description:The social amoeba Dictyostelium discoideum is vulnerable to infection by the pathogen that causes Legionnaire's Disease, Legionella pneumophila. Dictystelium cells lacking the dual-specificity phospahatase DupA are at least partially resistant to infection, and strikingly the expression profile of uninfected dupA null cells mirrors the profile of infected wild-type cells to a considerable extent. This suggests that DupA has a key role in regulating host defence systems.

2009-09-24 | E-TABM-509 | biostudies-arrayexpress

abc transporters in Dictyostelium discoideum development

Project description:ATP-binding cassette (ABC) transporters can translocate a broad spectrum of molecules across the cell membrane including physiological cargo and toxins. ABC transporters are known for the role they play in resistance towards anticancer agents in chemotherapy of cancer patients. There are 68 ABC transporters annotated in the genome of the social amoeba Dictyostelium discoideum. We have characterized more than half of these ABC transporters through a systematic study of mutations in their genes. We have analyzed morphological and transcriptional phenotypes for these mutants during growth and development and found that most of the mutants exhibited rather subtle phenotypes. A few of the genes may share physiological functions, as reflected in their transcriptional phenotypes. Since most of the abc-transporter mutants showed subtle morphological phenotypes, we utilized these transcriptional phenotypes to identify genes that are important for development by looking for transcripts whose abundance was unperturbed in most of the mutants. We found a set of 668 genes that includes many validated D. discoideum developmental genes. We have also found that abcG6 and abcG18 may have potential roles in intercellular signaling during terminal differentiation of spores and stalks. Transcriptional phenotyping during development of abc transporter mutants in Dictyostelium discoideum

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Cavenderia fasciculata

Project description:Related to model organism Dictyostelium discoideum.

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Allorecognition, via TgrB1 and TgrC1, mediates the transition from unicellularity to multicellularity in the social amoebae Dictyostelium discoideum

Project description:The social amoeba Dictyostelium discoideum integrates into a multicellular organism when individual starving cells aggregate and form a mound. The cells then integrate into defined tissues and develop into a fruiting body that consists of a stalk and spores. Aggregation is initially orchestrated by waves of extracellular cyclic adenosine monophosphate (cAMP) and previous theory suggested that cAMP and other field-wide diffusible signals mediate tissue integration and terminal differentiation as well. Cooperation between cells depends on an allorecognition system comprised of the polymorphic adhesion proteins TgrB1 and TgrC1. Binding between compatible TgrB1 and TgrC1 variants ensures that non-matching cells segregate into distinct aggregates prior to terminal development. Here, we have embedded a small number of cells with incompatible allotypes within fields of developing cells with compatible allotypes. We found that compatibility of the allotype encoded by the tgrB1 and tgrC1 genes is required for tissue integration, as manifested in cell polarization, coordinated movement, and differentiation into prestalk and prespore cells. Our results show that the molecules that mediate allorecognition in D. discoideum also control the integration of individual cells into a unified developing organism and this acts as a gating step for multicellularity.

2016-04-13 | GSE68063 | GEO

Allorecognition, via TgrB1 and TgrC1, mediates the transition from unicellularity to multicellularity in the social amoebae Dictyostelium discoideum

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